In the Linux kernel, the following vulnerability has been resolved: usb: common: usb-conn-gpio: fix NULL pointer dereference of charger When power on system with OTG cable, IDDIG's interrupt arises before the charger registration, it will cause a NULL pointer dereference, fix the issue by registering the power supply before requesting IDDIG/VBUS irq.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989800 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    usb: common: usb-conn-gpio: fix NULL pointer dereference of charger

    When power on system with OTG cable, IDDIG's interrupt arises before     the charger registration, it will cause a NULL pointer dereference,     fix the issue by registering the power supply before requesting     IDDIG/VBUS irq.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987012 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    usb: common: usb-conn-gpio: fix NULL pointer dereference of charger

    When power on system with OTG cable, IDDIG's interrupt arises before     the charger registration, it will cause a NULL pointer dereference,     fix the issue by registering the power supply before requesting     IDDIG/VBUS irq.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In the Linux kernel, the following vulnerability has been resolved: usb: common: usb-conn-gpio: fix NULL     pointer dereference of charger When power on system with OTG cable, IDDIG's interrupt arises before the     charger registration, it will cause a NULL pointer dereference, fix the issue by registering the power     supply before requesting IDDIG/VBUS irq. (CVE-2021-47331)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
272786	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989800)	Nessus	Unity Linux Local Security Checks	medium
268050	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987012)	Nessus	Unity Linux Local Security Checks	medium
230196	Linux Distros Unpatched Vulnerability : CVE-2021-47331	Nessus	Misc.	medium

Detections

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CVE-2021-47331

medium

Tenable Plugins

medium

medium

medium